纤维方向

带中心圆孔的试件，损伤从孔周开始，逐渐沿纤维方向扩展。

And the specimen with central hole , damage initiates around the hole , later , it extends along the fiber direction .

采用两镦两拔的锻造工艺，可以弱化锻件的纤维方向，实现各向同性。

The forging technology of introducing the two upsetting and two-drawing could reduce the fiber direction of forging , thus implementing the directions homogeneity .

发现铺层界面的C扫描图大都包含两相邻铺层的纤维方向信息，而上铺层的信息显示更明显。

It was found that the C-scan image of a ply interface contained mostly the fiber orientation information of the two neighboring plies , with that of the upper ply often showing more prominently .

采用垂直入射的超声纵波进行铺层界面的C扫描或层板全波形B扫描，然后从结构缺陷的反射波中提取纤维方向信息。

Normal-incidence longitudinal ultrasound was used to perform C-scan of ply interfaces or full-waveform B-scan of the laminate , and fiber orientation information was extracted from the ultrasonic reflection caused by structural imperfections in the laminate .

CPU重力热管使用不同天然工质时的传热特性实验研究热挤压钨重合金纤维方向对绝热剪切特性的影响规律及机理研究

Experimental Study on Heat Transfer Characteristics of Thermal Syphon under Different Natural Working Fluid ; Effect Mechanism of Fibre Orientation on the Adiabatic Shear of as-Extruded WHA

数据表明，随着电场方向与纤维方向夹角的增大，材料的ε′r值增大而tgδe值减小，铺层呈现极大的各向异性；

The result of the experiment has indicated that with the angle between electric field and fiber orientation increasing , the dielectric constant ε′ r and loss angle tangent tg δ e decreasing , the laminate strongly shows maximum anisotropy .

横向电阻（沿垂直于骨骼肌纤维方向）大于纵向电阻（沿骨骼肌纤维方向），而且受电流信号频率的影响较明显，尤其是在5￣100kHz范围内。

The transverse resistance was bigger than the longitudinal resistance , and was affected by the electric current signal frequency obviously .

一种测量物质纤维方向的新方法的研究

Study of a New Method on Measuring the Orientation of Material Fiber

人右心室肌纤维方向的解剖

Dissection of orientation of muscular fiber in human right ventricle

热挤压钨重合金纤维方向对绝热剪切特性的影响规律及机理研究

Effect Mechanism of Fibre Orientation on the Adiabatic Shear of as-Extruded WHA

纤维方向和材料本身的结构特征将是其切削表面粗糙度最大的影响因素。

Furthermore , fiber angle and structure are the most significantly influential factors .

在侧向纤维方向的材料弯曲强度也可发现相同的趋势。

The similar tendency was also found in the transverse flexural strength of the composites .

平行纤维方向的导热系数和垂直纤维方向的导热系数均有上升。

The heat transfer coefficient in either parallel or perpendicular directions of the fiber is increased .

根据解剖学纤维方向（即尾内侧和尾外侧方向）来选择两组标本。

These groups of specimens were selected as related to anatomical fiber orientation , i.e.caudomedially and caudolaterally .

其次，模拟分析了纤维方向角对材料阻尼性能的影响。

Next , the influence of fibre orientation on the damping properties of the composites is studied .

讨论了树脂基复合材料的柔度和变形随纤维方向的变化规律。

The changing regularity of the deformation and compliance of resin matrix composites with the fiber orientation has been discussed .

随着频率的升高，声辐射表现出了明显的方向性，声压分布主要沿着纤维方向。

As the frequency increases , the direction of acoustic radiation becomes clear , and the sound pressure distributes along the fiber .

研究表明，就极限拉深高度而言，纤维方向沿厚向分布与纤维方向在板面内分布有明显差别。

Research shows that , on limit drawing height , fiber orientation along the thickness distribution and fiber orientation in the in-plane distribution difference .

按纤维方向劈开股外侧肌和股中间肌；切开适当长度的骨膜并向两侧牵开。

Divide the vastus lateralis and vastus intermedius muscles in the direction of their fibers and open and reflect the periosteum for the proper distance .

结果：拇短展肌肌纤维方向沿第1掌骨纵轴方向，拇对掌肌肌纤维方向与第1掌骨成一定角度。

Result : The direction of abductor pollicis brevis was same to the axis of first metacarpal bone , but that of opponens pollicis was angled .

发现牛骨骼肌生物电阻抗与肌肉纤维方向、电流信号频率和宰后肌肉所经历的阶段有关。

The result indicated that electrical impedance of the postmortem Bovine muscle was relates to the muscle fiber direction , the electric current signal frequency and the storage time .

方法：34例患者均采用患侧腋下小切口，保留背阔肌，沿肌纤维方向分离前锯肌，不切断肋骨，沿肋骨上缘切开肋间肌进胸完成常见胸部肿瘤的手术治疗。

Methods All the thoracic operations of 34 patients were performed with small incision below axilla with preserving latissimus dorsi and incising intercostal above the next rib and along serratus anterior muscle .

对于平行于纤维方向的红松木杆，测试结果表明：可认为杆内部阻尼与振动速度成正比；

The examination results of korean pine rod paralleled to the fiber direction show that : The inner damped force of the rod is in positive proportion to the velocity of vibration ;

试验研究表明，落叶松材在小于其比例极限应力的重复载荷作用下，经过3万次以上应力循环的蠕变经历，使其纤维方向弯曲弹性模量增大10%；

The results of experiments indicated that the elastic modulus , which parallel to the grain due to creep history at lower proportinal limit stress for 30 thousand times , increases by 10 % .

层合板的加载方式：在边界约束、长宽比和层合板厚度一定的条件下，纤维方向沿加载方向铺设时，有利于提高临界屈曲载荷。

The loading conditions of a composite laminate : fiber direction along loading direction is good for improving the critical buckling load of a composite laminate under the other three aspects that is known .

分析了这些食品的形状、堆积方式、传热方式、冷气流方向和食品纤维方向等因素对食品冻结时间的影响。

The freezing factors such as the shape of food , the mode of stack and the direction of cooling airflow influencing on the freezing process and initial freezing point of food are studied .

对工程应用中常见的几种荷载状况（在不同纤维方向，不同加载形式、加载方向情况下）对孔边应力集中系数的影响进行了探讨。

And common state of load in engineering application and stress concentration coefficient of the hole-edge were discussed . The discussion topics also involved the arrangement and orientation of fiber , loading form and direction , etc.

研究结果表明：单层板的水下声辐射规律与振动响应密切相关，声辐射方向不仅取决于纤维方向，而且与载荷频率有关。

The results show that acoustic radiation properties are closely related to the vibration characteristic . The directions of acoustic radiation are not only dependent on the fiber orientation , but also are affected by frequencies .

例如，复合材料的结构设计有许多种可能的材料组合，而且材料的各向异性力学行为在设计阶段是能通过选择特定的纤维方向和叠层次序确定的。

For example , there are many material combination for the structure design of the composites and the anisotropic mechanical performance of the material can be determined by choosing the special fiber orientation and the laying sequence during the design process .

用这三个准则预测了具有各种不同纤维方向的单向纤维复合材料的裂纹扩展方向，预测结果与现有的比正应力准则和应变能密度准则进行了对比。

The three criteria are used to analyse the crack propagation problem of the unidirectional fibre composite sheet with various fibre directions . The predicted results are compared with those of the existing normal stress ratio criterion and strain energy density criterion .